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B - 25

Listed maximum bore is with set screw at angle to keyway.

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Sprocket Weight
Group
A.N.S.I. No. 25 Chain - Type B Sprockets - Hub One Side - Mandrel Bore - 1/4" Pitch
25B9(H) 0.731 .250" .250" .59"R .620" .03lbs
25B10(H) 0.809 .312" .250" .67"R .620" .03lbs
25B11(H) 0.887 .375" .250" .75"R .620" .04lbs
25B12(H) 0.966 .437" .250" .82"R .620" .06lbs
25B13(H) 1.045 .500" .250" .90"R .620" .07lbs
25B14(H) 1.124 .500" .250" .84" .620" .08lbs
25B15(H) 1.203 .562" .250" .92" .620" .10lbs
25B16(H) 1.282 .625" .250" 1.01" .620" .10lbs
25B17(H) 1.361 .750" .250" 1.09" .620" .10lbs
25B18(H) 1.44 .750" .250" 1.17" .620" .20lbs
25B19(H) 1.519 .875" .250" 1.25" .620" .20lbs
25B20(H) 1.598 .875" .250" 1.32" .620" .20lbs
25B21(H) 1.678 1.000" .250" 1.40" .620" .30lbs
25B22(H) 1.757 1.000" .250" 1.48" .620" .30lbs
25B23(H) 1.836 1.062" .250" 1.56" .620" .30lbs
25B24(H) 1.915 1.125" .375" 1.62" .620" .30lbs
25B25(H) 1.995 1.125" .375" 1.62" .620" .30lbs
25B26(H) 2.074 1.125" .375" 1.62" .620" .30lbs
25B28 2.233 1.125" .375" 1.62" .620" .40lbs
25B30 2.392 1.250" .375" 1.75" .620" .40lbs
25B32 2.551 1.250" .375" 1.75" .620" .40lbs
25B35 2.789 1.250" .375" 1.75" .750" .50lbs
25B36 2.869 1.250" .375" 1.75" .750" .50lbs
25B40 3.187 1.375" .500" 2.00" .830" .70lbs
25B45 3.584 1.375" .500" 2.00" .830" .90lbs
25B48 3.823 1.375" .500" 2.00" .830" .90lbs
25B54 4.3 1.375" .500" 2.00" .830" 1.00lbs
25B60 4.777 1.375" .500" 2.00" .830" 1.40lbs
25B72 5.732 1.375" .500" 2.00" .830" 1.40lbs
25B80 6.368 1.375" .500" 2.00" .830" 1.50lbs
25B84 6.686 1.375" .500" 2.00" .830" 1.50lbs
25B96 7.641 1.375" .500" 2.00" .830" 1.90lbs
25B120 9.55 1.750" .500" 2.50" .870" 4.70lbs